diff --git a/project.properties b/project.properties
index 093cae7a6..31dd81189 100644
--- a/project.properties
+++ b/project.properties
@@ -14,4 +14,6 @@ maven.xdoc.developmentProcessUrl=http://jakarta.apache.org/commons/charter.html
 maven.javadoc.links = http://java.sun.com/j2se/1.4.2/docs/api/,\
                       http://jakarta.apache.org/commons/collections/api/,\
                       http://jakarta.apache.org/commons/beanutils/api/,\
+                      http://jakarta.apache.org/commons/lang/api/,\
+                      http://jakarta.apache.org/commons/discovery/api/,\
                       http://jakarta.apache.org/commons/logging/api/